?? ctro.vhd
字號:
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
ENTITY CTRO IS
PORT(CLKK : IN STD_LOGIC;
CNT_EN,LOAD,RST_CNT : OUT STD_LOGIC);
END CTRO;
ARCHITECTURE BEHAV OF CTRO IS
signal div2clk:std_logic;
BEGIN
PROCESS(CLKK)
BEGIN
IF CLKK'EVENT AND CLKK='1' THEN
div2clk <= not div2clk;
end if;
END PROCESS;
process (clkK,div2clk)
begin
IF CLKK='0' AND DIV2CLK='0' THEN RST_CNT<='1';
ELSE RST_CNT<='0';
END IF;
END PROCESS;
LOAD <= NOT DIV2CLK;
CNT_EN <= DIV2CLK;
END BEHAV;
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